YOU SAID:

Oh, what is this? Its your arm bend

INTO JAPANESE

ああ、これは何ですか。その腕曲げ

BACK INTO ENGLISH

Oh, what is this? The arm bending

INTO JAPANESE

ああ、これは何ですか。腕の曲げ

BACK INTO ENGLISH

Oh, what is this? Bending of the arm

INTO JAPANESE

ああ、これは何ですか。腕の曲げ

BACK INTO ENGLISH

Oh, what is this? Bending of the arm